Determine Whether the Set Is fiNite or Infinite $$\left\{ x \mid x \in Z \text { and } x ^ { 2 } = 2 \right\}$$

question 59

Short Answer

determine whether the set is finite or infinite. If the set is finite, find its size.
- $$\left\{ x \mid x \in Z \text { and } x ^ { 2 } = 2 \right\}$$

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Definitions:

Deuterostomes

A grouping of animals characterized by their embryonic development; during the formation of the mouth and anus, the anus forms before the mouth.

Protostomes

A group of animals within the animal kingdom that develop the mouth before the anus during embryonic development, as part of the blastopore’s fate.

Spiral Cleavage

A type of early embryonic development found in some invertebrates, where cells divide at oblique angles to each other.

Deuterostomes

Deuterostomes are a major group of animals characterized by their embryonic development; in deuterostomes, the anus forms before the mouth during early embryogenesis.